我们几乎无法避免这样的推论：光是由同一种介质的横向波动组成的，这种介质也是电和磁现象的原因。

"The most effective way to destroy people is to deny and obliterate their own understanding of their history."

Sustainability isn't an option; it's a responsibility we owe to future generations.

The best way to predict the future is to invent it.

能够激发学生对一件善行或一首好诗的感受的教师，比那些用一排排自然物体填满我们记忆的人成就更大。

树林里分出两条路，而我选择了人迹罕至的那条，这决定了一切。